diff --git a/package-lock.json b/package-lock.json
index 2695292..6927920 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5951,9 +5951,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.5.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.5.2.tgz",
-      "integrity": "sha512-7KxJovlYhTX5RaRbUdkAXN1KUZ8PwWlTzQdHV6xNqvuFOs7+WBo10TQUqT19Q/Jz2hk5v9TQDIhyLhhJY4p5AA==",
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
       "dev": true
     },
     "typescript-eslint-parser": {
diff --git a/package.json b/package.json
index f881abe..17730b7 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "rimraf": "^2.6.3",
     "ts-node": "^8.3.0",
     "tslint": "^5.18.0",
-    "typescript": "^3.5.2",
+    "typescript": "^4.3.5",
     "typescript-eslint-parser": "^22.0.0"
   },
   "dependencies": {